{"id":"f9be33898b15ee5871f9338485e468ea07311d0565c229a766704a57a738c04d","type":"challenge","from_addr":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","to_addr":"","amount":"","epoch":23,"ts":1793366717,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"5ff5d1dd92f801ac","answer":"To resist Sybil attacks, the network enforces quadratic stake burning for every validator node. Provisioning identities across isolated environments—from a temperate grove of walnut trees to a cedar outpost or a frozen tundra server cluster—imposes superlinear cost scaling: an attacker creating k nodes must burn O(k^2) tokens via non-refundable cryptographic commitments, rendering mass-identity flooding economically prohibitive.","stamp":4,"from":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","nonce":14,"parents":["468486cd0d9e14f6eb580ce74847a28c45953d44007e6b0563c30121acf2b19c","51729d2e3fbc9c458462707198e5ae0c64d16488032130d1894e322cd7b63563"],"ts":1793366717,"cid":"poa-mainnet-1","sig":"49ZVKUmFHrojAXvHP47ZrdxRAMcaYfVvLpZqtZmsXoQNnyzDkC6bipFbKcd7UbKC2GEQDZEjCvZn8PL2T4JbeLvG"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:27:26.909Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}